Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)

The 4R70W has the following features:

  • Wide ratio gears
  • Four speeds
  • Rear wheel drive
  • Automatic
  • Electronic shift
  • Torque converter clutch control
  • Line pressure controls

The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.

4R70W Automatic Transmission

4R70W Automatic Transmission

    Automatic Transaxle/Transmission
    General Specifications a - MERCON V is not interchangeable at this time with the current MERCON fluids. Check the transmission fluid level indicator to determine the correct fluid and refer to the ...

    Identification Tags
    All vehicles are equipped with a Vehicle Certification Label, located on the driver side door lock post. For correct transmission identification, refer to the code in the space marked TR. ...

    Other materials:

    Gearshift Rail Bushing
    Special Tool(s) Universal Puller Set 303-DS005 (D80L-100-A) or equivalent Installer, Shift Rail Bushing 308-244 (T96P-7025-F) Slide Hammer 100-001 (T50T-100-A) Disassembly and Assembly 1. Using the special tools, r ...

    Autolamps
    WARNING: In severe weather conditions, it may be necessary to switch your headlamps on manually. Note: If the vehicle is equipped with autolamps, it will have the windshield wiper rainlamp feature. When the windshield wipers are turned to low- or high-speed wi ...

    Disassembly
    Main Control Valve Body - Disassembled View   1. Remove the torque converter clutch (TCC) solenoid and the shift solenoid. 1. Remove the bolt. 2. Remove the shift solenoid. 3. Remove the TCC solenoid. 2. Remove the two reinforcement plate ...